Scuba diving

Scuba diving

Underwater diving in which the diver uses scuba gears to breathe underwater.

Industry: Sports

Add a new term

Contributors in Scuba diving

Become a Contributors

Scuba diving

knot

Sports; Scuba diving

The velocity unit of 1 nautical mile (6080. 20 ft. ) per hour; equivalent to 1. 689 ft. per second: to convert ft. per sec. into knots, multiply by 0. 592.

air pressure

Sports; Scuba diving

The force per unit area exerted by the weight of air; at sea level the air pressure is 14. 7 psi. (air pressure decreases with altitude. )

burst disk

Sports; Scuba diving

Thin copper disk held in place with a vented plug. Designed to rupture if tank pressure is greatly exceeded.

trimix

Sports; Scuba diving

Mixture of helium, nitrogen and oxygen, used for very deep diving.

buddy breathing

Sports; Scuba diving

Sharing of the same air supply by two or more divers; an emergency technique used when one person's air supply is exhausted or unavailable due to equipment malfunction.

atmosphere (ATM)

Sports; Scuba diving

The blanket of air surrounding the earth, from sea level to outer space. Also, a unit of pressure; "one atmospheres is pressure of the atmosphere at sea level, i.e., 760 mm Hg. Two atmosphere is ...

mixed gas

Sports; Scuba diving

Any non-air mixture (e.g., nitrox), although some authors use the term only for mixes that contain a gas in addition to (or in place of) nitrogen (e.g., helium).